Function readChunk

lib/compress.js:7–44

(input, specialComments)

import restructure from './restructure/index.js';

function readChunk(input, specialComments) {
    const children = new List();
    let nonSpaceTokenInBuffer = false;
    let protectedComment;

    input.nextUntil(input.head, (node, item, list) => {
        if (node.type === 'Comment') {
            if (!specialComments || node.value.charAt(0) !== '!') {
                list.remove(item);
                return;
            }

            if (nonSpaceTokenInBuffer || protectedComment) {
                return true;
            }

            list.remove(item);
            protectedComment = node;

            return;
        }

        if (node.type !== 'WhiteSpace') {
            nonSpaceTokenInBuffer = true;
        }

        children.insert(list.remove(item));
    });

    return {
        comment: protectedComment,
        stylesheet: {
            type: 'StyleSheet',
            loc: null,
            children
        }
    };
}

function compressChunk(ast, firstAtrulesAllowed, num, options) {
    options.logger(`Compress block #${num}`, null, true);